---
# Copyright 2023, BBC R&D
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Initial facts gathering and venv setup
  hosts: k8s_all
  gather_facts: false
  tags:
    - always
    - k8s-venv
  tasks:
    - name: Gather minimal facts for k8s
      setup:
        gather_subset:
          - "!all"
          - min
      when: osa_gather_facts | default(True)

    - name: ensure python3 virtualenv is present
      ansible.builtin.package:
        name:
          - python3-venv
          - python3-setuptools
      when: ansible_facts['os_family'] == 'Debian'

    - name: ensure ansible target venv is present
      ansible.builtin.pip:
        name:
          - packaging
        virtualenv_command: "python3 -m venv"
        virtualenv: "{{ ansible_collection_kubernetes_target_venv }}"
      when: ansible_collection_kubernetes_target_venv is defined


- name: Create and configure k8s container
  hosts: k8s_all
  serial: "{{ k8s_serial | default('20%') }}"
  gather_facts: true
  user: root
  pre_tasks:
    - import_role:
        name: openstack.osa.lxc_container_setup
      vars:
        list_of_bind_mounts:
          - bind_dir_path: '/usr/lib/modules'
            mount_path: '/usr/lib/modules'
          - bind_dir_path: '/usr/src'
            mount_path: '/usr/src'
          - bind_dir_path: '/dev/kmsg'
            mount_path: '/dev/kmsg'
            create: file
        extra_container_config:
          - 'security.privileged=true'
          - 'security.nested=true'
          - 'raw.lxc="lxc.apparmor.profile=unconfined"'
          - 'lxc.cap.drop='
          - 'lxc.cgroup.devices.allow=a'
          - 'lxc.cgroup2.devices.allow=a'

      when: not is_metal

    - include_tasks: common-tasks/unbound-clients.yml
      when:
        - hostvars['localhost']['resolvconf_enabled'] | bool

    - name: ensure kernel headers are installed on host
      vars:
        _kernel_package_prefix:
          redhat: 'kernel-headers'
          debian: 'linux-headers'
      package:
        name: "{{ _kernel_package_prefix[ansible_facts['os_family']|lower]}}-{{ ansible_facts['kernel'] }}"
        state: present
      delegate_to: "{{ physical_host }}"
      when: not is_metal

  roles:
    - role: "openstack.osa.system_crontab_coordination"
    - role: "systemd_service"
      systemd_services:
        - service_name: bpf-mount
          execstarts: /usr/bin/bash -c '/usr/bin/mount bpffs -t bpf /sys/fs/bpf && /usr/bin/mount --make-shared /sys/fs/bpf'
        - service_name: cilium-cgroup2-mount
          execstarts: /usr/bin/bash -c 'mkdir -p /run/cilium/cgroupv2 && /usr/bin/mount -t cgroup2 none /run/cilium/cgroupv2 && /usr/bin/mount --make-shared /run/cilium/cgroupv2'

          #  environment: "{{ deployment_environment_variables | default({}) }}"
  tags:
    - k8s-container
    - k8s

- name: Configure haproxy services
  import_playbook: openstack.osa.haproxy_service_config.yml
  vars:
    service_group: k8s_all
    service_variable: "k8s_haproxy_services"
  when: groups[service_group] | length > 0
  tags:
    - haproxy-service-config

- name: Install kubernetes
  hosts: k8s_all
  gather_facts: true
  serial: "{{ k8s_serial | default('20%') }}"
  user: root
  vars:
    k8s_node_labels:
      openstack-control-plane: enabled
    ansible_python_interpreter: "{{ ansible_collection_kubernetes_target_venv ~ '/bin/python' }}"
  roles:
      - role: "vexxhost.containers.containerd"
      - role: "vexxhost.kubernetes.kubernetes"
      - role: "vexxhost.kubernetes.helm"
      - role: "vexxhost.kubernetes.cilium"
        environment: "{{ deployment_environment_variables | default({}) }}"
  tasks:
      - kubernetes.core.k8s:
          definition:
            apiVersion: v1
            kind: Node
            metadata:
              name: "{{ inventory_hostname }}"
              labels: "{{ k8s_node_labels }}"
  tags:
    - k8s
    - k8s-install

- name: Install cluster_api
  hosts: k8s_all
  gather_facts: true
  user: root
  vars:
    ansible_python_interpreter: "{{ ansible_collection_kubernetes_target_venv ~ '/bin/python' }}"
  roles:
    - role: "vexxhost.kubernetes.cert_manager"
    - role: "vexxhost.kubernetes.cluster_api"
      #  environment: "{{ deployment_environment_variables | default({}) }}"
  tags:
    - cluster-api